1 like 0 dislike
15.3k views

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited

edited by | 15.3k views

91 Answers

0 like 0 dislike
Hidden content!
#include ** ****** *** ***
int main(void)
{

int cm;
float cost;

* ** *** ** ******* ***

if **
{
* **** **** * * * * *** * * *** *** ** * * *** * ** ***
}

if * *** ** *** ** ** *** ** **
{

* ** *** * ** * ** * * * **
}

** * * * * * * **
* *
* ** ** * ** ** * ** * * * * * *
 }


if (cm>0 * *** * * * **
* * * ** * ** * *
**** * * * ** * **** * ** * ** ** ** ** ****
** **** * * * **** **
*** *** * ** * ** * cost);



return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
******* * * * * *****
int * * *
{

int cm;
float cost;

** * ******* * * * *** *


if * *** **
** ********** ** * * ****** * ***
* * *** ***** * cost);

else if *** ***** **
*** ** * **** * ** **** ***** * ***** **

else
** * * * * ** ** ****** * * ** *** ** * * * **** *

** ***** * * * *** cost);

* * ()


* * **
* * **
** * * *
* *
* *** *

return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
** * * *** ** **
int *******
{

int cm;
float cost;

* **** *** ** * * * **


if *
* ***** ** * * * * * * ***
** ** ** *** * cost);

else if * ** *
** * * * * * *** ******* *** * ** *

else
* * * * ** * **** * ******** ** * * * * * ** ***

* ** * *** * *** cost);

* ** ()


* **
***** **
* *
** *
* ****

return 0;
}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include * * ** *

int main (void)
{

** * ***** * * * fixed_charge=10;
* ** ** * ** ******* y;



** * * * **** *** ** ****** ** * * * ***

*** ** * ** * *** (y <= 30)
* * * * * *
* ** * *** * **** *** * * ** * **** ** * * ** ** ***
** **** * ** *
* ** * * ** * * (y>30 && y <=50)
* ** * * *** * * * ***


* * *** * ****** * * ** ** ** ** ** ****** *****
* *** ** * *


** * ** * * ***** * ** (y>50 && y <=60 )
* *** ***** * * * ****
* * **** ****** *** ** ** ** * * * * ** *** * * * * * *** * * ** ** * **** fixed_charge);
** * * * * * *


** * ** * * ** (y>60)
{
** * * * ** ***** *** ******** * * * * ** ***** * * ** *** fixed_charge);
* * ******** *




* * ** **** ***** *** * ** ** 0;
}
answered by (-107 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include * * ** *

int main (void)
{

** * * ** * * * fixed_charge=10;
* ** ** ** * * *** y;
** * * * * * x;


**** * ** * ** **** * * * * *******

* * * * (y <= 30)
* **** * **
* ** * *** *** ** * * * * * * ** * ** * ** ******
* * * * * * ** *
*** ** * ***** ** *** (y>30 && y <=50)
** *** * ** *** * *


** ***** * ***** **** * * ***** **** * ** * **
****** * * **


* ** **** *** **** *** ** (y>50 && y <=60 )
** * * * * *
** ** * ** * ** * * * * **** * * *** * ** * **** * * * * * *** * * *** * fixed_charge);
* ** * * * * ** **


* * ** * * * (y>60)
{
* * * ** * * *** ** *** * * * * * ** **** ** * ** * ** *** * * ****** fixed_charge);
* ***** ***




** * * * ** ** * * *** * * 0;
}
answered by (-107 points)
0 0
prog.c: In function 'main':
prog.c:8:8: error: unused variable 'x' [-Werror=unused-variable]
    int x;
        ^
cc1: all warnings being treated as errors
0 like 0 dislike
Hidden content!
#include **** ***** ***
int main()
{
* ** * ** * * * * * * *** * * * * ** *
*** *** * * * * * ** ** ** ** *** ** *
** *** ** **** * *** ** ** (a<=30)
****** * * * * * ***** = 0.6*a +10;
* * *** ** ** **** * * * * * %.2f",cost1);
** * ** * *** * * ****
* ***** * ** * *** ** * *** if (a<=50)
* * * ***** ** * * * = 30*0.6 + 0.8*(a-30) +10;
* ****** **** * * * * ** ** * * ** * * * **** *
* * ** * * * * if (a<=60)
**** *** * ******** ***
* ** * *** ********* *** * *** * **** **** * ** * = 30*0.6 + 0.8*(20) + 1*(a-50) +10;
* ** * * * * *** **** * * **** * * * ** ** * * %.2f",cost3);
** *** ** **** **** *****
** ** * * * * * *** if (a>60)
*** * *** * ** *
*** * ** * * ** * ** ******* * **** = 30*0.6 + 0.8*20+ 10 + 1.2*(a-60) +10;
*** ** * * *** * * * ****** * * ** * *** * ** * * %.2f",cost4);
*** ** * * ***** * *

* * * ***** ** * 0;
}
answered by (-323 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
* * * ** * *** *
****** * main ()
{
** * a,b;
** * * * * *** * ** **
if * * *
* **** *** * * * * * * ***
else if ** ***

* * + *** * **
else if * *****
*** *** * *****
else * ** * *** ****
* * * ** ** * * *

* ** 0 ;
}
answered by (-254 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{
*** * *** * * * * ** a;
*** * ** * * * * ************* cost;
** ** ** **** **** * * ** ** **** ** *** **
* * * ** ** ** (a>60)
*** ***** * * *** * * *
* * *** * ******** ** * *** ***** * * * ** * ***** ** * * * ** * ***
***** ** * * * * * * *
* ** * * * ** ** *** * * (a>50 && a<=60)
**** *** * ** ** *** ** * ** *
**** *** * * * **** ** *** * * ** **** ** * * * ***** * ** ** ** *
*** * ** ** ****** ** *****
***** * * ** **** ** * * (a>30 && a<=50)
** ** * *** * * * * ****
* * *** ******* *** ** ****** * *** ** * ((a-30)*0.8)+(30*0.6)+10;
* *** *** * * * * ** ** *
** ** *** *** * ** ** *** * (a>0 && a<=30)
****** * * * ** * ** * ** ******
***** * * * * *** ** ******* * ** * * ** * **** ****** **
*** ** **** * * ** * ** * * **** *
** * ** * **** * ** *** ** * ******* * %.2f",cost);
*** *** **** ** *** * * *** *** * 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main (void)
{
* * **** * *** **** * * a;
* * ** *** * *** cost;
* ** * * ** * * * *** ** * * * *
* ** ** * * * * (a>60)
* *** * *
* ****** * ** * * * * ***** ** ** * * * ** * ** ** ***** ***
    }
*** ****** ** ** * * **** * (a>50 && a<=60)
******** ** * * * * **
*** * ** * *** ** * * ** ** ** *** * * * ** * ** * *** ***** ** * *
* ***** *** ** * * *** *
** * * ** * * * *** * ** **** * (a>30 && a<=50)
*** * * * **** * ****** **
* ***** * * * * * * *** * ** ** * * ((a-30)*0.8)+(30*0.6)+10;
** ** ** * * * * * * * *
* ** * ** * * **** * * ** (a>0 && a<=30)
* *** * ** ** ** ** *
** * * ****** * ** * * * * ** * * * * *** *** * ** *** **
* ** * * * ** *** **
* ** * ***** * **** * *** ** * * **** **** *** *
* * * * * ** * ** * *** * 0;
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
0 like 0 dislike
Hidden content!
#include **** * ****
int main(void)
{

int a;
float b , c, d, e;

* *** *** * * * ** &a);
if ** ****
{
* * * ** * * **** ** * *
**** **** * * ** ****** * ** * * * b);
}
* ** if (a>30 * * * ** ** *
{
* ******** *** * * ** *** * * ** * **
** * * ******** * * *** ****** c);
}
else if * ** * * * ********
{
*** *** ** *** * ** * * * ** ** *
* *** * * * * ** * * *** * ** ** d);

}
else
{
** * * * * * * * ** ** ******* *
* * ** ** * **** ** **** e);

}
* ** ** * * ** * ** 0;
* ***** **
answered by (-304 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.71.1.190
©2016-2025

Related questions

3 like 0 dislike
87 answers
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited
| 12.2k views
3 like 0 dislike
86 answers
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited
| 11k views
12,783 questions
183,442 answers
172,219 comments
4,824 users